Peel and segment grapefruit with a sharp knife on a cutting board; reserve juice in a bowl.

In a bowl mix lemon juice, olive oil, salt, pepper and balsamic so its combined.

In a large bowl add salad greens and pour the dressing and turn to combine.

Divide salad among 4 serving plates. In a small bowl.

Sprinkle remaining salt and pepper over both sides of salmon. Coat a large nonstick skillet with oil; heat over medium-high heat. Add fish to skillet, and cook until skin is golden and fish releases easily from pan (about 4 minutes). Using a spatula, gently flip fish and cook about 3 minutes more. Once salmon is cooked rest for 2 minutes and then break each fillet into 8 pieces .

While the salmon is cooking place slices of avocado on top of each salad and then place equal amounts of grapefruit pieces on the avocado to form a bed for the salmon to rest on.

Place the salmon pieces on the grapefruit and dress with honey walnuts and micro-greens.